Yeah, air is the wrong way to push. You’ll never live to make rocket surgeon that way.
So you don’t know what any of those filters are yet? They may be labeled on the outside, but you should open them so you know what you’re dealing with. Report back with what you find.
IMO whomever set that machine up is clueless and dangerous.
There is zero reason to balance all that weight over a sight glass.
Do some more reading and ask more questions before loading that up.
May start here:Let's see your set up! so you can wrap your head around how to solve that nonsense in front of you.
Hint: if folks don’t look at it and say “nice rack!” you should reconsider the relationship…